Positive electrode active material, positive electrode using the same and non-aqueous electrolyte secondary battery
US8586246B2 · kind B2 · utility
3Cited by
5References
13Claims
0Family size
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Key dates
| Filing date | Sep 1, 2009 |
| Grant date | Nov 19, 2013 |
| Priority date | — |
| Expiry date | Jan 1, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A positive electrode active material includes: a particle containing a positive electrode material capable of intercalating and deintercalating an electrode reactant; and a film provided in at least a part of the particle and having a peak of C2H5S+, C3H7S+ or C4H9S+ obtained by cation analysis by time of flight secondary ion mass spectrometry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.